author  wenzelm 
Mon, 20 Jul 2009 21:20:09 +0200  
changeset 32089  568a23753e3a 
parent 30723  a3adc9a96a16 
child 32090  39acf19e9f3a 
permissions  rwrr 
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(* Title: Pure/display.ML 
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Author: Lawrence C Paulson, Cambridge University Computer Laboratory 
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Author: Makarius 
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Printing of theorems, results etc. 
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*) 
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11883  8 
signature BASIC_DISPLAY = 
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sig 

12081  10 
val goals_limit: int ref 
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val show_consts: bool ref 
11883  12 
val show_hyps: bool ref 
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val show_tags: bool ref 

14 
end; 

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signature DISPLAY = 
4950  17 
sig 
11883  18 
include BASIC_DISPLAY 
30723  19 
val pretty_thm_aux: Pretty.pp > {quote: bool, show_hyps: bool, show_status: bool} > 
20 
term list > thm > Pretty.T 

11883  21 
val pretty_thm: thm > Pretty.T 
26928  22 
val string_of_thm: thm > string 
11883  23 
val pretty_thms: thm list > Pretty.T 
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val pretty_thm_sg: theory > thm > Pretty.T 
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val pretty_thms_sg: theory > thm list > Pretty.T 
26928  26 
val print_thm: thm > unit 
27 
val print_thms: thm list > unit 

28 
val prth: thm > thm 

29 
val prthq: thm Seq.seq > thm Seq.seq 

30 
val prths: thm list > thm list 

11883  31 
val pretty_ctyp: ctyp > Pretty.T 
26928  32 
val string_of_ctyp: ctyp > string 
33 
val print_ctyp: ctyp > unit 

11883  34 
val pretty_cterm: cterm > Pretty.T 
26928  35 
val string_of_cterm: cterm > string 
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val print_cterm: cterm > unit 

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val print_syntax: theory > unit 

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val pretty_full_theory: bool > theory > Pretty.T list 
4950  39 
end; 
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4950  41 
structure Display: DISPLAY = 
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struct 
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(** options **) 
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val goals_limit = Display_Goal.goals_limit; 
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val show_consts = Display_Goal.show_consts; 
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val show_hyps = ref false; (*false: print metahypotheses as dots*) 
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val show_tags = ref false; (*false: suppress tags*) 
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11883  53 

6087  54 
(** print thm **) 
55 

28840  56 
fun pretty_tag (name, arg) = Pretty.strs [name, quote arg]; 
6087  57 
val pretty_tags = Pretty.list "[" "]" o map pretty_tag; 
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30723  59 
fun display_status false _ = "" 
60 
 display_status true th = 

61 
let 

62 
val {oracle = oracle0, unfinished, failed} = Thm.status_of th; 

63 
val oracle = oracle0 andalso (not (! quick_and_dirty) orelse ! show_hyps); 

64 
in 

65 
if failed then "!!" 

66 
else if oracle andalso unfinished then "!?" 

67 
else if oracle then "!" 

68 
else if unfinished then "?" 

69 
else "" 

70 
end; 

30711  71 

30723  72 
fun pretty_thm_aux pp {quote, show_hyps = show_hyps', show_status} asms raw_th = 
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let 
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val th = Thm.strip_shyps raw_th; 
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val {hyps, tpairs, prop, ...} = Thm.rep_thm th; 
6087  76 
val xshyps = Thm.extra_shyps th; 
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val tags = Thm.get_tags th; 
6087  78 

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val q = if quote then Pretty.quote else I; 
22878  80 
val prt_term = q o Pretty.term pp; 
6279  81 

19300  82 
val hyps' = if ! show_hyps then hyps else subtract (op aconv) asms hyps; 
30723  83 
val status = display_status show_status th; 
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17447  85 
val hlen = length xshyps + length hyps' + length tpairs; 
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val hsymbs = 
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if hlen = 0 andalso status = "" then [] 
17447  88 
else if ! show_hyps orelse show_hyps' then 
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[Pretty.brk 2, Pretty.list "[" "]" 
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(map (q o Display_Goal.pretty_flexpair pp) tpairs @ map prt_term hyps' @ 
14876  91 
map (Pretty.sort pp) xshyps @ 
30711  92 
(if status = "" then [] else [Pretty.str status]))] 
93 
else [Pretty.brk 2, Pretty.str ("[" ^ implode (replicate hlen ".") ^ status ^ "]")]; 

6087  94 
val tsymbs = 
95 
if null tags orelse not (! show_tags) then [] 

96 
else [Pretty.brk 1, pretty_tags tags]; 

6279  97 
in Pretty.block (prt_term prop :: (hsymbs @ tsymbs)) end; 
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20226  99 
fun pretty_thm th = 
30723  100 
pretty_thm_aux (Syntax.pp_global (Thm.theory_of_thm th)) 
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{quote = true, show_hyps = false, show_status = true} [] th; 

6889  102 

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val string_of_thm = Pretty.string_of o pretty_thm; 
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6087  105 
fun pretty_thms [th] = pretty_thm th 
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 pretty_thms ths = Pretty.block (Pretty.fbreaks (map pretty_thm ths)); 

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val pretty_thm_sg = pretty_thm oo Thm.transfer; 
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val pretty_thms_sg = pretty_thms oo (map o Thm.transfer); 
10010  110 

6087  111 

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(* toplevel commands for printing theorems *) 

113 

114 
val print_thm = Pretty.writeln o pretty_thm; 

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val print_thms = Pretty.writeln o pretty_thms; 

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fun prth th = (print_thm th; th); 
16534  118 
fun prthq thq = (Seq.print (K print_thm) 100000 thq; thq); 
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fun prths ths = (prthq (Seq.of_list ths); ths); 

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(* other printing commands *) 
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fun pretty_ctyp cT = Syntax.pretty_typ_global (Thm.theory_of_ctyp cT) (Thm.typ_of cT); 
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fun string_of_ctyp cT = Syntax.string_of_typ_global (Thm.theory_of_ctyp cT) (Thm.typ_of cT); 
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val print_ctyp = writeln o string_of_ctyp; 
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fun pretty_cterm ct = Syntax.pretty_term_global (Thm.theory_of_cterm ct) (Thm.term_of ct); 
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fun string_of_cterm ct = Syntax.string_of_term_global (Thm.theory_of_cterm ct) (Thm.term_of ct); 
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val print_cterm = writeln o string_of_cterm; 
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4250  133 

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(** print theory **) 

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val print_syntax = Syntax.print_syntax o Sign.syn_of; 
4498  137 

138 

11883  139 
(* pretty_full_theory *) 
4250  140 

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fun pretty_full_theory verbose thy = 
4250  142 
let 
24920  143 
val ctxt = ProofContext.init thy; 
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145 
fun prt_cls c = Syntax.pretty_sort ctxt [c]; 

146 
fun prt_sort S = Syntax.pretty_sort ctxt S; 

147 
fun prt_arity t (c, (_, Ss)) = Syntax.pretty_arity ctxt (t, Ss, [c]); 

148 
fun prt_typ ty = Pretty.quote (Syntax.pretty_typ ctxt ty); 

19806  149 
val prt_typ_no_tvars = prt_typ o Logic.unvarifyT; 
24920  150 
fun prt_term t = Pretty.quote (Syntax.pretty_term ctxt t); 
18936  151 
val prt_term_no_vars = prt_term o Logic.unvarify; 
19698  152 
fun prt_const (c, ty) = [Pretty.str c, Pretty.str " ::", Pretty.brk 1, prt_typ_no_tvars ty]; 
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val prt_const' = Defs.pretty_const (Syntax.pp ctxt); 
4250  154 

14794  155 
fun pretty_classrel (c, []) = prt_cls c 
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 pretty_classrel (c, cs) = Pretty.block 

157 
(prt_cls c :: Pretty.str " <" :: Pretty.brk 1 :: 

158 
Pretty.commas (map prt_cls cs)); 

4250  159 

160 
fun pretty_default S = Pretty.block 

14794  161 
[Pretty.str "default sort:", Pretty.brk 1, prt_sort S]; 
4250  162 

14996  163 
val tfrees = map (fn v => TFree (v, [])); 
27302  164 
fun pretty_type syn (t, ((Type.LogicalType n, _), _)) = 
15531  165 
if syn then NONE 
24848  166 
else SOME (prt_typ (Type (t, tfrees (Name.invents Name.context Name.aT n)))) 
27302  167 
 pretty_type syn (t, ((Type.Abbreviation (vs, U, syn'), _), _)) = 
15531  168 
if syn <> syn' then NONE 
169 
else SOME (Pretty.block 

14996  170 
[prt_typ (Type (t, tfrees vs)), Pretty.str " =", Pretty.brk 1, prt_typ U]) 
27302  171 
 pretty_type syn (t, ((Type.Nonterminal, _), _)) = 
15531  172 
if not syn then NONE 
173 
else SOME (prt_typ (Type (t, []))); 

4250  174 

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val pretty_arities = maps (fn (t, ars) => map (prt_arity t) ars); 
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19698  177 
fun pretty_abbrev (c, (ty, t)) = Pretty.block 
178 
(prt_const (c, ty) @ [Pretty.str " ==", Pretty.brk 1, prt_term_no_vars t]); 

179 

180 
fun pretty_axm (a, t) = Pretty.block [Pretty.str (a ^ ":"), Pretty.brk 1, prt_term_no_vars t]; 

19365  181 

19702  182 
fun pretty_finals reds = Pretty.block 
19703  183 
(Pretty.str "final:" :: Pretty.brk 1 :: Pretty.commas (map (prt_const' o fst) reds)); 
19702  184 

19698  185 
fun pretty_reduct (lhs, rhs) = Pretty.block 
19702  186 
([prt_const' lhs, Pretty.str " >", Pretty.brk 2] @ 
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Pretty.commas (map prt_const' (sort_wrt #1 rhs))); 

4250  188 

19698  189 
fun pretty_restrict (const, name) = 
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Pretty.block ([prt_const' const, Pretty.brk 2, Pretty.str ("(from " ^ quote name ^ ")")]); 

8720  191 

24665  192 
val axioms = (Theory.axiom_space thy, Theory.axiom_table thy); 
193 
val defs = Theory.defs_of thy; 

19698  194 
val {restricts, reducts} = Defs.dest defs; 
18061  195 
val {naming, syn = _, tsig, consts} = Sign.rep_sg thy; 
18936  196 
val {constants, constraints} = Consts.dest consts; 
19698  197 
val extern_const = NameSpace.extern (#1 constants); 
26637  198 
val {classes, default, types, ...} = Type.rep_tsig tsig; 
19698  199 
val (class_space, class_algebra) = classes; 
19642  200 
val {classes, arities} = Sorts.rep_algebra class_algebra; 
14996  201 

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val clsses = NameSpace.dest_table (class_space, Symtab.make (Graph.dest classes)); 
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val tdecls = NameSpace.dest_table types; 
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val arties = NameSpace.dest_table (Sign.type_space thy, arities); 
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fun prune_const c = not verbose andalso 
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member (op =) (Consts.the_tags consts c) Markup.property_internal; 
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val cnsts = NameSpace.extern_table (#1 constants, 
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Symtab.make (filter_out (prune_const o fst) (Symtab.dest (#2 constants)))); 
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val log_cnsts = map_filter (fn (c, (ty, NONE)) => SOME (c, ty)  _ => NONE) cnsts; 
25405  212 
val abbrevs = map_filter (fn (c, (ty, SOME t)) => SOME (c, (ty, t))  _ => NONE) cnsts; 
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val cnstrs = NameSpace.extern_table constraints; 
19698  214 

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val axms = NameSpace.extern_table axioms; 
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val (reds0, (reds1, reds2)) = filter_out (prune_const o fst o fst) reducts 
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> map (fn (lhs, rhs) => 
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(apfst extern_const lhs, map (apfst extern_const) (filter_out (prune_const o fst) rhs))) 
19702  220 
> sort_wrt (#1 o #1) 
221 
> List.partition (null o #2) 

222 
> List.partition (Defs.plain_args o #2 o #1); 

19698  223 
val rests = restricts > map (apfst (apfst extern_const)) > sort_wrt (#1 o #1); 
4250  224 
in 
29091  225 
[Pretty.strs ("names:" :: Context.display_names thy)] @ 
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[Pretty.big_list "classes:" (map pretty_classrel clsses), 
8720  227 
pretty_default default, 
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Pretty.big_list "syntactic types:" (map_filter (pretty_type true) tdecls), 
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Pretty.big_list "logical types:" (map_filter (pretty_type false) tdecls), 
16534  230 
Pretty.big_list "type arities:" (pretty_arities arties), 
19698  231 
Pretty.big_list "logical consts:" (map (Pretty.block o prt_const) log_cnsts), 
19365  232 
Pretty.big_list "abbreviations:" (map pretty_abbrev abbrevs), 
19698  233 
Pretty.big_list "constraints:" (map (Pretty.block o prt_const) cnstrs), 
234 
Pretty.big_list "axioms:" (map pretty_axm axms), 

28290  235 
Pretty.strs ("oracles:" :: Thm.extern_oracles thy), 
19698  236 
Pretty.big_list "definitions:" 
19702  237 
[pretty_finals reds0, 
238 
Pretty.big_list "nonoverloaded:" (map pretty_reduct reds1), 

239 
Pretty.big_list "overloaded:" (map pretty_reduct reds2), 

240 
Pretty.big_list "pattern restrictions:" (map pretty_restrict rests)]] 

4250  241 
end; 
242 

1591
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

243 
end; 
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

244 

32089
568a23753e3a
moved pretty_goals etc. to Display_Goal (required by tracing tacticals);
wenzelm
parents:
30723
diff
changeset

245 
structure Basic_Display: BASIC_DISPLAY = Display; 
568a23753e3a
moved pretty_goals etc. to Display_Goal (required by tracing tacticals);
wenzelm
parents:
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diff
changeset

246 
open Basic_Display; 